Water inlet and outlet control system in impervious performance detection equipment

Abstract

The utility model discloses a water inlet and outlet control system in anti-permeability performance detection equipment, which comprises more than two water inlet pumps, a water collecting tank, more than two water inlet and outlet control valves and a water outlet pump, the water inlet pumps are in one-to-one correspondence with anti-permeability performance detection units of each layer of the anti-permeability performance detection equipment, and the water inlet and outlet control valves are in one-to-one correspondence with the water inlet pumps. The water inlet end of the water inlet pump is connected with the water outlet end of the water collecting tank through a water inlet pipeline, the water outlet end of the water inlet pump is connected with the corresponding water inlet and outlet control valve through a water inlet and outlet shared pipeline, and the water inlet and outlet control valve is used for being connected with a high-pressure water injection system of a corresponding layer of the anti-permeability performance detection equipment. The water inlet ends of the drainage pumps are connected with the water inlet and drainage shared pipeline through drainage pipelines, and the water outlet ends of the drainage pumps are connected with the water inlet ends of the water collecting tanks through a drainage main pipeline. According to the utility model, the water inlet and outlet time and flow of the anti-permeability performance detection equipment can be better controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to anti permeability detection equipment technical field, especially in anti permeability detection equipment in the water inlet and outlet control system of anti permeability. BACKGROUND

[0002] Anti permeability detection is a key quality evaluation index in concrete and its structure engineering, and is mainly used for evaluating whether concrete can keep stable performance in long-term exposure to water, gas and the like environment, especially for the engineering application of underground structure, water conservancy project, dam and tunnel with extremely high waterproof requirement.

[0003] The anti permeability test method includes: 1. standard immersion method: the concrete test piece is placed in water, and after soaking for a period of time, the water penetration depth or weight change is measured;2. high pressure permeation method: water is flowed into the concrete test piece by applying a certain pressure, and the degree of water penetration into the concrete interior is detected.

[0004] Among them, the high pressure permeation method is a detection method that can simulate various environments, and is more widely applicable in actual detection. The detection of the high pressure permeation method usually adopts the anti permeability detection equipment, and the anti permeability detection equipment is provided with multiple layers of anti permeability detection units to detect multiple layers of concrete test pieces. Each layer of anti permeability detection unit is configured with a high pressure water injection system, and the high pressure water injection system of each layer needs to be connected with an external water inlet and outlet pipeline to realize water inlet and outlet.

[0005] However, the water inlet and outlet of the existing anti permeability detection equipment basically depends on manual operation. Since the anti permeability detection equipment is multi-layer detection, the time and flow of manual water inlet and outlet are difficult to control accurately, which will affect the standardization and consistency of the test. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of water inlet and outlet control system in anti permeability detection equipment, it can better control the time and flow of water inlet and outlet of anti permeability detection equipment.

[0007] The utility model realizes the purpose by the following technical scheme:

[0008] The application discloses a water inlet and outlet control system in an impermeability detection device, characterized in that the system comprises two or more water inlet pumps, a water collecting tank, two or more water inlet and outlet control valves and a water outlet pump, the water inlet pumps are in one-to-one correspondence with each impermeability detection unit of each layer of the impermeability detection device, the water inlet and outlet control valves are in one-to-one correspondence with the water inlet pumps, the water inlet ends of the water inlet pumps are connected with the water outlet ends of the water collecting tank through water inlet pipelines, the water outlet ends of the water inlet pumps are connected with the corresponding water inlet and outlet control valves through water inlet and outlet shared pipelines, the water inlet and outlet control valves are used for being connected with high-pressure water injection systems of the corresponding layers of the impermeability detection device, the water inlet ends of the water outlet pump are connected with the water inlet and outlet shared pipelines through water outlet pipelines, and the water outlet end of the water outlet pump is connected with the water inlet end of the water collecting tank through a water outlet main pipeline.

[0009] Preferably, the water inlet and outlet control system is respectively provided with a three-way valve corresponding to each water inlet pump, the first interface of the three-way valve is connected with the water outlet end of the water inlet pump, the second interface of the three-way valve is connected with the water inlet and outlet shared pipeline, and the third interface of the three-way valve is connected with the water outlet pipeline, so that the water inlet and outlet shared pipeline and the water outlet pipeline are communicated through the three-way valve.

[0010] Preferably, the water inlet and outlet control system is provided with a one-way valve arranged on the water outlet main pipeline.

[0011] Preferably, the water outlet end of the water collecting tank is provided with a filter used for filtering water flowing into the water inlet pipeline.

[0012] Preferably, each water outlet pipeline is respectively provided with a water outlet switch valve.

[0013] Preferably, the water inlet and outlet control system is respectively provided with a water and gas control valve group corresponding to each impermeability detection unit of each layer of the impermeability detection device, and the water inlet and outlet control valve is arranged in the water and gas control valve group.

[0014] Compared with the prior art, the water inlet and outlet control system has the following beneficial effects:

[0015] The water inlet and outlet of the impermeability detection device are centrally controlled, water in the water collecting tank is sent to the high-pressure water injection system of the impermeability detection unit of the corresponding layer of the impermeability detection device through the water inlet and outlet shared pipeline by the water inlet pump, the time and flow of water inlet are controlled through the water inlet and outlet control valve, the water is still connected through the water inlet and outlet shared pipeline, the time and flow are controlled through the water inlet and outlet control valve, the water is discharged back to the water collecting tank through the water outlet pump, and the water is recycled. The water inlet and outlet control system can control the time and flow of water inlet, so that the standardization and consistency of the impermeability detection are better guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a top view structural schematic diagram of the water inlet and outlet control system of the embodiment of the application;

[0017] Figure 2 is a structure schematic view of the water inlet and outlet control system of the embodiment of the utility model when draining, the part of pipeline related to draining is hidden in the drawing;

[0018] Figure 3 is a structure schematic view of the water inlet and outlet control system of the embodiment of the utility model when draining, the part of pipeline related to draining is hidden in the drawing;

[0019] Figure 4 is a three-dimensional schematic view of the water inlet and outlet control system of the embodiment of the utility model when not connecting pipeline.

[0020] The meaning of the reference signs in the drawing is as follows:

[0021] 1-water inlet pump;2-drainage pump;3-water collecting tank;4-water inlet and outlet control valve;5-drainage on-off valve;6-one-way valve;7-air inlet valve;8-three-way valve;10-water inlet pipeline;20-water inlet and outlet shared pipeline;30-drainage pipeline;40-drainage main pipeline. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail below in combination with the drawings and specific embodiments.The advantages and features of the utility model will be more clear according to the following description and claims.It should be noted that the drawings all adopt very simplified form and all use non-precise proportion, only for the purpose of conveniently and clearly assisting the description of the embodiment of the utility model.

[0023] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the drawing shown, only for the purpose of facilitating the description of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In the description of the utility model, it needs to be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements.The specific meaning of the above terms in the utility model can be understood by specific circumstances for ordinary skilled in the art.

[0025] Embodiment:

[0026] As Figures 1 to 4The water inlet and outlet control system in the water permeability detection equipment of the embodiment is shown, which comprises two or more water inlet pumps 1, a water collecting tank 3, two or more water and gas control valve groups and a water outlet pump 2. The water and gas control valve group comprises a water inlet and outlet control valve 4 and an air inlet valve 7. The water inlet and outlet control valve 4 is used in the water inlet and outlet control system, and the air inlet valve 7 is used for connecting other air inlet systems.

[0027] The number of the water inlet pumps 1 and the water inlet and outlet control valves 4 is designed according to the number of layers of the water permeability detection unit of the water permeability detection equipment, and corresponds to the water permeability detection unit of the water permeability detection equipment. In the embodiment, five water inlet pumps 1 and five water inlet and outlet control valves 4 are designed (only one water inlet and outlet control valve 4 is shown in the figure, and four water inlet and outlet control valves 4 are omitted).

[0028] The water inlet end of the water inlet pump 1 is connected to a water inlet pipeline 10. All the water inlet pipelines 10 are connected to the water outlet end of the water collecting tank 3, so that the water inlet pump 1 can respectively draw water in the water collecting tank 3.

[0029] A three-way valve 8 is arranged at the water outlet end of each water inlet pump 1. The first interface of the three-way valve 8 is connected to the water outlet end of the water inlet pump 1. The second interface of the three-way valve 8 is connected to the corresponding water inlet and outlet control valve 4 through a water inlet and outlet shared pipeline 20. In use, the water inlet and outlet control valve 4 is connected to the high-pressure water injection system of the corresponding layer of the water permeability detection equipment. The water inlet and outlet control valve 4 of the embodiment is a conventional electromagnetic control valve, which is provided with a pressure gauge and other components. Since the water inlet and outlet control valve 4 is a conventional component, it will not be described in detail. Of course, the water inlet and outlet control valve 4 can also adopt other conventional valve assemblies capable of controlling water inlet and outlet.

[0030] The third interface of the three-way valve 8 is respectively connected to a water outlet pipeline 30. The water outlet pipelines 30 are connected to the water inlet end of the water outlet pump 2 after being collected. The water inlet and outlet shared pipeline 20 and the water outlet pipeline 30 are connected in correspondence through the three-way valve 8. The water outlet end of the water outlet pump 2 is connected to the water inlet end of the water collecting tank 3 through a water outlet main pipeline 40.

[0031] The water inlet and outlet control system sets the water inlet and outlet shared pipeline 20 as a shared pipeline for water inlet and outlet during detection, which can simplify the pipeline structure and save costs.

[0032] The water outlet switch valve 5 is arranged on each water outlet pipeline 30 in the embodiment, which can control the opening and closing of the water outlet of the water permeability detection unit of each layer, and independently control the water outlet of the single-layer water permeability detection unit through the opening and closing of the water outlet switch valve 5.

[0033] The one-way valve 6 is arranged on the water outlet main pipeline 40 in the embodiment, which can avoid the backflow of the waste water transported to the water collecting tank 3.

[0034] The water inlet pump 1, the water outlet pump 2, the water outlet switch valve 5 and the one-way valve 6 of the embodiment are installed side by side on a mounting table.

[0035] The use process of the water inlet and outlet control system of the embodiment is as follows:

[0036] During use, the water inlet and outlet control valve 4 of the water inlet and outlet control system is connected with the high-pressure water injection system of the anti-permeability detection unit of the corresponding layer of the anti-permeability detection equipment.

[0037] As shown in Figure 2 when water is needed, the corresponding water inlet pump 1 is started, the water inlet pump 1 will draw water in the water collecting tank 3 and deliver the water to the high-pressure water injection system of the corresponding layer through the water inlet and outlet shared pipeline 20 and the water inlet and outlet control valve 4, the time and flow of water inlet are controlled through the water inlet and outlet control valve 4. After water inlet is completed, the corresponding water inlet pump 1 is closed. During water inlet, the water outlet switch valve 5 is kept closed.

[0038] As shown in Figure 3 when water is needed, the corresponding water inlet pump 1 is started, the water inlet pump 1 will draw water in the water collecting tank 3 and deliver the water to the high-pressure water injection system of the corresponding layer through the water inlet and outlet shared pipeline 20 and the water inlet and outlet control valve 4, the time and flow of water inlet are controlled through the water inlet and outlet control valve 4. After water inlet is completed, the corresponding water inlet pump 1 is closed. During water inlet, the water outlet switch valve 5 is kept closed.

[0039] The above embodiment of the utility model is not the limitation of the protection scope of the utility model, the implementation mode of the utility model is not limited to this, according to the above content of the utility model, according to the ordinary technical knowledge and usual means of the art, other various forms of modification, replacement or change of the above structure of the utility model are made under the premise of not departing from the above basic technical thought of the utility model, and all should fall within the protection scope of the utility model.

Claims

1. A water inlet and outlet control system in a permeability resistance performance detection apparatus, characterized by: The water inlet system comprises two or more water inlet pumps, a water collecting tank, two or more water inlet and outlet control valves and a water outlet pump, the water inlet pumps correspond to each layer of the anti-permeability performance detection unit of the anti-permeability performance detection equipment, the water inlet and outlet control valves correspond to the water inlet pumps, the water inlet end of the water inlet pump is connected with the water outlet end of the water collecting tank through a water inlet pipeline, the water outlet end of the water inlet pump is connected with the corresponding water inlet and outlet control valve through a water inlet and outlet common pipeline, the water inlet and outlet control valve is used to be connected with the high-pressure water injection system of the corresponding layer of the anti-permeability performance detection equipment, the water inlet end of the water outlet pump is connected with the water inlet and outlet common pipeline through a water outlet pipeline, and the water outlet end of the water outlet pump is connected with the water inlet end of the water collecting tank through a water outlet main pipeline.

2. The water inlet and outlet control system in the permeability test apparatus according to claim 1, characterized by: The water inlet and outlet control system is provided with a three-way valve corresponding to each water inlet pump, the first interface of the three-way valve is connected with the water outlet end of the water inlet pump, the second interface of the three-way valve is connected with the water inlet and outlet common pipeline, the third interface of the three-way valve is connected with the water outlet pipeline, and the water inlet and outlet common pipeline and the water outlet pipeline are communicated through the three-way valve.

3. The water inlet and outlet control system in the permeability test apparatus according to claim 1, characterized by: The water inlet and outlet control system is provided with a one-way valve arranged on the water outlet main pipeline.

4. The water inlet and outlet control system in the permeability test apparatus according to claim 1, characterized by: The water outlet end of the water collecting tank is provided with a filter for filtering the water flowing into the water inlet pipeline.

5. The water inlet and outlet control system in the permeability test apparatus according to claim 1, characterized by: Each water outlet pipeline is provided with a water outlet switch valve.

6. The water inlet and outlet control system in the permeability test apparatus according to claim 1, characterized by: The water inlet and outlet control system is provided with a water and gas control valve group corresponding to each layer of the anti-permeability performance detection unit of the anti-permeability performance detection equipment, and the water inlet and outlet control valve is arranged in the water and gas control valve group.

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